regex101: Python Substitution Workspace

Pro

Group 1(\d+\s*:?\s*(?:h\.?s\.?)?)

\d+a Unicode decimal digit, repeated at least once

\s*a Unicode whitespace character, repeated any number of times

:?optionally matches the literal : (58₁₀ / 72₈ / 3A₁₆)

\s*a Unicode whitespace character, repeated any number of times

Non-Capturing Group(?:h\.?s\.?)?

?repeats the group contents below at most once:

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case sensitive)

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

\s*a Unicode whitespace character, repeated any number of times

a mthe literal text a m (case sensitive)

\ba Unicode word boundary

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

25 tokens

Regular Expression

(\d+\s*:?\s*(?:h\.?s\.?)?)\s*a m\b

New

1 a m
2: a m
3: hs a m
4: h.s. a m
5: h.s a m
6: hs. a m
7:  a m
8 : hs a m
9  : h.s. a m
10 : h.s a m
11  : hs. a m
12 hs a m
13 h.s. a m
14 h.s a m
15 hs. a m
Cerca de las 2: hs a m, hay que salir antes de esas hs a m
A medida que avance cerca de la media noche 12: 04 hs a m. Deben ir a las 15 hs a m.
A mmm... cerca de las 12: h.s a m, hay que salir antes de esas h.s. a m
A medida que avance cerca de las 12:04 hs. a m. Deben ir a las 15 h.s a m.

Extraction

1 a m
2: a m
3: hs a m
4: h.s. a m
5: h.s a m
6: hs. a m
7:  a m
8 : hs a m
9  : h.s. a m
10 : h.s a m
11  : hs. a m
12 hs a m
13 h.s. a m
14 h.s a m
15 hs. a m
Cerca de las 2: hs a m, hay que salir antes de esas hs a m
A medida que avance cerca de la media noche 12: 04 hs a m. Deben ir a las 15 hs a m.
A mmm... cerca de las 12: h.s a m, hay que salir antes de esas h.s. a m
A medida que avance cerca de las 12:04 hs. a m. Deben ir a las 15 h.s a m.